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Critical Mech

Critical Vend Mechanism Error

Otis · 400 Elevator

¿Qué significa Critical Mech ?

Indicates a critical vend mechanism error has occurred, specifically that the DMC home sensor has malfunctioned. This sensor is crucial for the proper positioning and operation of the dispenser mechanism, and its failure will prevent vending.

Causas comunes

  • Malfunction of the DMC home sensor.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Inspect the DMC home sensor for physical damage, misalignment, or obstructions.

  2. 2

    Inspect all wiring and connectors associated with the DMC home sensor for loose connections, damage, or corrosion.

  3. 3

    Measure the supply voltage at the DMC home sensor terminals against the manufacturer's specifications.

  4. 4

    Check the elevator's control system diagnostics for the current status of the DMC home sensor input.

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Datos técnicos verificados. Última actualización: March 2026

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